On Mon, 8 May 2023 10:00:45 GMT, Johan Sjölen <jsjo...@openjdk.org> wrote:

>> Hi, this PR changes all occurrences of NULL to nullptr for the subdirectory 
>> share/jfr/. Unfortunately the script that does the change isn't perfect, and 
>> so we
>> need to comb through these manually to make sure nothing has gone wrong. I 
>> also review these changes but things slip past my eyes sometimes.
>> 
>> Here are some typical things to look out for:
>> 
>>     No changes but copyright header changed (probably because I reverted 
>> some changes but forgot the copyright).
>>     Macros having their NULL changed to nullptr, these are added to the 
>> script when I find them. They should be NULL.
>>     nullptr in comments and logs. We try to use lower case "null" in these 
>> cases as it reads better. An exception is made when code expressions are in 
>> a comment.
>> 
>> An example of this:
>> 
>> // This function returns null
>> void* ret_null();
>> // This function returns true if *x == nullptr
>> bool is_nullptr(void** x);
>> 
>> Note how nullptr participates in a code expression here, we really are 
>> talking about the specific value nullptr.
>> 
>> Thanks!
>
> Johan Sjölen has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains 11 commits:
> 
>  - Missing fixes
>  - Merge branch 'master' into JDK-8300245
>  - It's impossible for an array to be nullptr, remove asserts.
>    
>    Fails build on Clang systems
>  - Merge remote-tracking branch 'origin/master' into JDK-8300245
>  - Fix outdated copyright
>  - Manual fix
>  - Fix two faulty NULL_STRING misses
>  - More manual fixes
>  - Merge remote-tracking branch 'origin/master' into JDK-8300245
>  - Manual fixes
>  - ... and 1 more: https://git.openjdk.org/jdk/compare/5c7ede94...cb705720

Alright, @mgronlun, @egahlin, looks like the JFR null conversion is done. I'm 
currently running the tier1 tests. I removed a few asserts that didn't do 
anything (Clang complains about unnecessary comparisons), see here: 
https://github.com/openjdk/jdk/pull/12034/commits/2da97d578cf008170a0881d44844516370a6f456

-------------

PR Comment: https://git.openjdk.org/jdk/pull/12034#issuecomment-1538107444

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